Česká Zbrojovka Cz 550 Instruction Manual
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CZ 550 - INSTRUCTION MANUAL 19 Before handling the firearm read this manual carefully and observe the following safety instructions. Improper and careless handling of the firearm could result in unintentional discharge and could cause injury, death, or damage to property. The same consequences can be caused by any unauthorized modifications or adjustments, corrosion, or use of non-standard or damaged ammunition. In these cases the manufacturer shall not be responsible in any manner whatsoever for the resultant consequences. Before leaving the factory this firearm was tested, carefully inspected, and packed. CZ cannot accept responsibility for product handling while in transit, or upon leaving the factory. Therefore, please examine this rifle carefully at the time of purchase to ensure that it is unloaded and undamaged. This instruction manual should always accompany the firearm and that even in the case of its loan or sale. CONTENTS SAFETY INSTRUCTIONS 20 THE CZ 550 RIFLE DESCRIPTION AND TERMINOLOGY 22 Brief Characterisation of Basic Versions 23 OPERATING INSTRUCTIONS 25 Ammunition 25 Magazine Removal 25 Magazine Loading 25 Loading of the Rifle 25 Unloading of the Rifle 26 The Safety and its Operation 26 Cocking Indicator Operation 26 Set-trigger Operation 27 Trigger Adjustment 27 Sight Adjustment 27 Rifle Scope 27 MAINTENANCE INSTRUCTIONS 28 Stripping for Cleaning - Disassembly 28 Disassembly of the Bolt 28 Cleaning the Rifle 28 Cleaning the Barrel Bore and the Cartridge Chamber 29 Cleaning of Other Rifle Parts 29 Preserving 29 TROUBLESHOOTING, CAUSES AND REMEDIES 30 ILLUSTRATION AND LIST OF PARTS 31 TECHNICAL SPECIFICATIONS 33 LIST OF ILLUSTRATIONS 34
CZ 550 - INSTRUCTION MANUAL 20 SAFETY INSTRUCTIONS Always follow the safety instructions for your safety and the safety of others. 1. Always handle your firearm as if it were loaded. 2. Never point your firearm at anything you do not intend to shoot. 3. Never take anyones word that a gun is unloaded. 4. Always make sure that your firearm is not loaded before laying it down, or handing it to another person. 5. Always store your rifle unloaded with the striking mechanism released. 6. Never abuse your firearm by using it for any purpose other than shooting. 7. Never leave a loaded firearm unattended. 8. Prior to loading the firearm make sure that barrel bore, chamber, and action are clean and clear of obstructions. Clean a dirtied firearm immediately so that it will function properly and safely. 9. Always use only clean, dry, original high quality commercially manufactured ammunition, which is appropriate to the caliber of your rifle. 10. Never drink alcoholic beverages or take drugs before or during shooting. 11. Always wear safety glasses and ear protection during shooting whenever possible. 12. Always keep the safety on when the rifle is loaded with cartridge in the chamber, until you are ready to fire. Keep firearm pointed in a safe direction when disengaging the safety. 13. A rifle with an activated set-trigger should be handed with maximum care, as even jolts during handling operations could cause an unintended discharge. 14. Always keep clear and keep others clear of the ejection port. 15. Never squeeze the trigger or put your finger in the trigger guard until you are aiming at a target and ready to shoot.
CZ 550 - INSTRUCTION MANUAL 21 16. Always be absolutely sure of your target, and the area behind it, before you squeeze the trigger. A bullet could travel through or past your target up to several hundred meters. 17. Never shoot at a hard surface such as rock, or a liquid surface such as water. 18. Never fire your firearm near an animal unless it is trained to accept the noise. 19. Never indulge in horseplay while holding your firearm. 20. Failure to fire: always hold the firearm, keeping it pointed towards the target, or a safe open area and wait 30 seconds when the firearm fails to fire. If a hangfire (slow ignition) has occurred, the round will fire within 30 seconds. If the round does not fire, remove the magazine, eject the round and examine the primer; if the firing pin indent on the primer is light, or off center, or non-existent, have the rifle examined by a competent gunsmith. 21. Always make sure your firearm is not loaded before cleaning, storing or travelling. 22. Always keep and store your firearm and ammunition in separate locked receptacles out of reach and sight of children and untrained people. 23. Never alter any parts of your rifle as the safety and proper function of your rifle could be seriously compromised. 24. Always be aware that corrosion, use of damaged ammunition, dropping the rifle on hard surfaces or other coarse treatment could cause a damage you may not see. If something like this happens, allow let the firearm to be examined and tested by a competent gunsmith.
CZ 550 - INSTRUCTION MANUAL 22 THE CZ 550 RIFLE DESCRIPTION AND TERMINOLOGY The names of basic rifle parts used in this Instruction Manual are presented in Fig. 1. Nomenclatures of all CZ 550 parts are presented in the section Illustration and List of Parts. The CZ 550 is a repeating rifle with a Mauser-type bolt action. The trigger mechanism is of a single set design with an adjustable set-trigger; a single stage trigger is supplied on special order. The trigger is adjustable for pull weight and trigger travel. The safety secures the rifle against unintentional discharge and at the same time blocks the bolt in a closed position. The top of the receiver has milled grooves to accommodate scope mounts. The stock surface is made in semi- matte polyurethane lacquered finish as standard. The rifle is produced in several versions. Characteristic features of all versions are: - a wide assortment of calibers, allowing optimum choice of caliber - according to the particular use of the rifle - the CZ 550 is well-balanced and consequently quick and easy to aim - easy mounting of rifle scope - controlling elements, which are simple in operation, and easy to reach (bolt handle, set-trigger configuration, safety, bolt catch, magazine catch) - completely adjustable trigger mechanism - alternatives with set-trigger or without set-trigger - cocking indicator indicates cocking of the striking mechanism - easy disassembly for cleaning and routine maintenance, which can be carried out without any tools - a high degree of accuracy when firing - a long service life - high functional reliability in all environments, even with ammunitions made by various manufacturers, and with different types of bullets
CZ 550 - INSTRUCTION MANUAL 23 Brief Characterisation of Basic Versions CZ 550 Standard The stock made of walnut wood with a cheekpiece furnished with checkerings and reduced-size buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Lux The walnut stock with cheekpiece of Bavarian style, checkered and supplied with a ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 MC The walnut stock of Monte Carlo type provided with checkerings and a ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Minnesota The walnut stock is checkered, without cheekpiece and with reduced drop at heel supplied with a ventilated rubber buttplate. The type of stock designed for aiming with optical sights only. CZ 550 American The stock is made of walnut wood with cheekpiece, reduced drop at heel and checkering and is provided with rubber buttplate. This firearm is designed for aiming with optical sights only. CZ 550 Prestige This rifle has the same standard features as the CZ 550 American. However, the Prestiges are made from hand-picked components. These components are match fitted for securing perfect function. The stock is made of selective walnut wood featuring special surface finish. CZ 550 FS The classical walnut Full Stock with cheekpiece of Bavarian style, checkered and supplied with a ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Battue The walnut stock checkered and supplied in Lux version or FS. The barrel (length of 520 mm) is equipped with a ramp rear sight. The firearm is designed for moving game shooting at shorter distances. CZ 220 Scandinavia The walnut stock of Monte Carlo type featuring enhanced comb and provided with checkerings and ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Varmint The walnut stock is checkered, without cheekpiece and with reduced drop at heel, strengthened front part and supplied with a ventilated rubber buttplate. The barrel is of heavy type with no sights. The stock is designed for aiming with optical sights only. CZ 550 Sport The walnut stock of Sport style checkered and supplied with an adjustable rubber buttplate of sport version. The adjustable cheekpiece and rib for hunting sling attachment supplied on order. The stock allows aiming with a receiver sight as well as optical sights.
CZ 550 - INSTRUCTION MANUAL 24 The Survey of Basic Rifle Modifications: Model Overall Length Barrel Length Weight Capacity: Magazine Box Magazine - Long Magazine - Short Safety Trigger Receiver Sights Buttplate Stock Finish Sling Swivels CZ 550 mm mm kg .22-250 Remington .243 Winchester 6,5 x 55 SE .270 Winchester 7 x 57 7 x 64 .308 Winchester .30-06 Springfield Three positions Two positions Adjustable trigger Adjustable set-trigger Squared Rounded Rounded, MRI-shaped Without sights Open Plastic Rubber - ventilated Special - adjustable PUR lacquer - semi-mat Polished DEDECRYL lacquer 20 mm swivels 1 swivels Standard 1135 600 3,3 - 4 - - 4 - 5 - - 5 - 3 5 - - 5 - 3 - 4 - 5 - 3 ● ■ ▲ ■ ■ ● ●●●■ ■ ● ■ ● ●●● ■ Lux 1135 600 3,3 - 4 - - 4 - 5 - - 5 - 3 5 - - 5 - 3 - 4 - 5 - 3 ● ■ ▲ ■ ■ ● ●●●■ ■ ■ ● ● ■ MC 1135 600 3,3 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ▲ ■ ■ ● ●●●■ ■ ■ ● ● ■ Minnesota 1135 600 3,3 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ▲ ■ ● ■●■ ■ ■ ● ■ American 1135 600 3,3 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ▲ ■ ● ■●■ ■ ● ■●● ■ Prestige 1135 600 3,3 - - - - - - - - - 5 - - - - - - - - - - - 5 - - ● ■ ▲ ■ ● ■●■ ■ ● ■●● ■ FS 1055 520 3,1 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ■ ■ ●●●■ ■ ■ ●●● ■ Battue 1055 520 3,1 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ■ ■ ●●●■ ■ ■ ●●● ■ Scandinavia 1135 600 3,3 - 4 - - 4 - 5 - - 5 - - 5 - - 5 - - - 4 - 5 - - ● ■ ■ ● ■●●■ ■ ■ ● ■ Varmint 1185 650 4,2 - 4 - - 4 - - - - - - - - - - - - - - 4 - - - - ■ ■ ■ ■ ■ ● ■ Sport 1150 650 4,7 - - - - - - - - - - - - - - - - - - - 4 - - - - ■ ■ ■ ■●▲●■ Single cartridge feeding device on special request ■ standard equipment ● available on request ▲ alternative equipment
CZ 550 - INSTRUCTION MANUAL 25 OPERATING INSTRUCTIONS Ammunition Use only factory-manufactured standard ammunition of appropriate caliber, which are in compliance with CIP regulations (International Proof Commission for Firearms and Ammunition) or SAAMI (Sporting Arms and Ammunition Manufacturers Institute Inc. of the United States). The use of other cartridges could damage the firearm or cause malfunctions or injury to the shooter. Magazine Removal (Pertains only to rifles equipped with detachable magazines). With one hand depress in the forward direction magazine catch located at the front part of the trigger guard (Fig. 2). Remove with the other hand the magazine. Magazine Loading (Pertains only to rifles equipped with detachable magazines). With the open end uppermost, grasp the magazine in one hand. Place a cartridge on the magazine follower with the base just forward of the retaining lips. Press the cartridge down and back until its base touches rear flat edge of the magazine. Place the next cartridge on top of the previous cartridge and slide in as already described. Loading of the Rifle ALWAYS MAKE SURE THE RIFLE IS POINTED IN A SAFE DIRECTION WHEN LOADING! The rifle in detachable magazine version First push in the full magazine by its front side obliquewards until it stops, then push the rear side (Fig. 3). Grip the rifle with the left hand by its fore-end, place the buttplate against your body and grip the bolt handle with the other hand. Open the bolt by raising the bolt handle and pulling to the rear to its stop. Then push the bolt vigorously to its forward position again and by rotating the bolt handle in a downward direction close the bolt action. This procedure inserts the cartridge into the cartridge chamber and cocks the striker mechanism. The rifle is now ready to fire. If you do not intend to fire immediately, ensure the firearm safety as described further in the section Safety and its Operation. Note: Loading is also possible for single cartridges by directly inserting into the chamber without the use of a magazine.
CZ 550 - INSTRUCTION MANUAL 26 The rifle in magazine box version Open the bolt by raising the bolt handle and pulling to the rear to its stop. Place a cartridge on the follower and press it downward into the magazine box. After releasing the downward pressure, the cartridge is caught by the side walls of the magazine. Place the next cartridge on top of the previous one, and slide in as described above. When the magazine box is loaded, push the bolt vigorously to its forward position, and by rotating the bolt handle in a downward movement close the bolt. This procedure inserts the cartridge into the cartridge chamber, and cocks the striker mechanism. The rifle is now ready to fire. If you do not intend to fire immediately ensure the firearms safety as described further below in the section Safety and its Operation. Unloading of the Rifle ALWAYS MAKE SURE THE RIFLE IS POINTED IN A SAFE DIRECTION! - open the magazine box floorplate (Fig. 4) and drop released cartridges into your hand (in the detachable magazine ver- sion, remove the magazine in the manner as already described - see operating instructions, removal of the magazine) - move the safety to its Safety-Off position in order that the bolt can be opened. If your rifle is fitted with a three- position safety, shift it to its mid-position which allows the bolt operations, but the trigger mechanism remains on safe - open the bolt and check to ensure that the cartridge has been extracted from the chamber and ejected - close the bolt - depress the trigger (dry fire) The Safety and its Operation Shift the safety rearward to its Safety-On position (Fig. 5) until the red dot is fully covered. This procedure locks the trigger mechanism and the bolt, it is not possible to discharge a cartridge or manipulate the bolt. If your rifle is fitted with a three-position safety, it has an additional mid-position which permits the opening of the bolt, but the trigger mechanism remains on safe. At this position of the safety, only the white dot is showing. Cocking Indicator Operation The cocking indicator is located on the rear face of the bolt sleeve (Fig. 6). If the (striker) firing pin is cocked, the cocking indicator protrudes from the bolt sleeve. This protrusion can be checked both by sight and by touch.
CZ 550 - INSTRUCTION MANUAL 27 Set-trigger Operation The set-trigger is activated by pushing it in the forward. For the reason of safety, activate the set-trigger only after the rifle is loaded and shortly before shooting. Do not carry your rifle with an activated set-trigger! If you have activated the set- trigger and you do not follow through with firing, keep your firearm pointed in a safe direction while carefully engaging the safety and then squeeze the trigger. Subsequently unload the rifle in the manner described above. Trigger Adjustment Independent of whether there is a mounted set-trigger or not, the trigger mechanism can be adjusted with respect to the trigger pull weight, and the trigger travel, before and after discharge. The adjustment can be performed after taking the barreled action out of the stock by means of the setting screws A (trigger pull), B (trigger travel before) and C (trigger travel after discharge) - see Fig. 7. If the CZ 550 rifle is fitted with a set-trigger, the adjustment of the set-trigger is carried out by the screw located in front of the trigger (Fig. 8). For safety reasons do not adjust the set-trigger travel as too short, as the rifle with an activated set- trigger is very sensitive to shock, and during handling the rifle could unintentionally discharge. The safety of the set-trigger adjustment can be checked with the rifle unloaded by repeated opening and closing of the bolt combined with moving of the safety to its ON and OFF positions. The spontaneous release of the trigger must not occur. Note: There is a possibility of dismantling the set-trigger from the rifle, without any impairment to the functional properties or adjustment of the conventional trigger. Sight Adjustment The elevation and windage correction is carried out after loosing the screws H (horizontal) and V (vertical) by shifting the rear sight blade (Fig. 9). One part displacement changes the point of aim at 100 m distance in vertical by 3 cm and in horizontal direction by 15 cm. Rifle Scope Mounting of the riflescope and sighting-in of the rifle should be entrusted to a qualified gunsmiths workshop.